Morphological control agent in ternary blend bulk heterojunction solar cells

Hsueh Chung Liao, Po Hsuen Chen, Robert P. H. Chang, Wei Fang Su

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

Bulk heterojunction (BHJ) organic photovoltaic (OPV) promise low cost solar energy and have caused an explosive increase in investigations during the last decade. Control over the 3D morphology of BHJ blend films in various length scales is one of the pillars accounting for the significant advance of OPV performance recently. In this contribution, we focus on the strategy of incorporating an additive into BHJ blend films as a morphological control agent, i.e., ternary blend system. This strategy has shown to be effective in tailoring the morphology of BHJ through different inter- and intra-molecular interactions. We systematically review the morphological observations and associated mechanisms with respect to various kinds of additives, i.e., polymers, small molecules and inorganic nanoparticles. We organize the effects of morphological control (compatibilization, stabilization, etc.) and provide general guidelines for rational molecular design for additives toward high efficiency and high stability organic solar cells.

Original languageEnglish
Pages (from-to)2784-2802
Number of pages19
JournalPolymers
Volume6
Issue number11
DOIs
Publication statusPublished - 2014

Fingerprint

Heterojunctions
Solar cells
Molecular interactions
Compatibilizers
Solar energy
Polymers
Stabilization
Nanoparticles
Molecules
Costs

Keywords

  • Additive
  • Bulk heterojunction
  • Morphology
  • Organic solar cell
  • Ternary blend system

ASJC Scopus subject areas

  • Polymers and Plastics
  • Chemistry(all)

Cite this

Morphological control agent in ternary blend bulk heterojunction solar cells. / Liao, Hsueh Chung; Chen, Po Hsuen; Chang, Robert P. H.; Su, Wei Fang.

In: Polymers, Vol. 6, No. 11, 2014, p. 2784-2802.

Research output: Contribution to journalArticle

Liao, Hsueh Chung ; Chen, Po Hsuen ; Chang, Robert P. H. ; Su, Wei Fang. / Morphological control agent in ternary blend bulk heterojunction solar cells. In: Polymers. 2014 ; Vol. 6, No. 11. pp. 2784-2802.
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